CVE-2024-45491

2024-09-0507:14:59

redhat.com

access.redhat.com

libexpat

dtdcopy function

integer overflow

32-bit platforms

uint_max

size_max

mitigation

red hat product security

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

6.9

Confidence

High

JSON

An issue was found in libexpat’s internal dtdCopy function in xmlparse.c, It can have an integer overflow for nDefaultAtts on 32-bit platforms where UINT_MAX equals SIZE_MAX.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.